Home / 2,359.29-3,539.97-1,126.71

Finding the Fourth Proportional to 2,359.29, 3,539.97 and 1,126.71

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Solution

The fourth proportional to 2,359.29, 3,539.97 and 1,126.71 is: 1,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.29 : 3,539.97 = 1,126.71 : x
  2. Step 2: Convert to fraction form
    2,359.29/3,539.97 = 1,126.71/x
  3. Step 3: Cross multiply
    2,359.29x = 3,539.97 × 1,126.71
  4. Step 4: Simplify right side
    2,359.29x = 3,988,519.60
  5. Step 5: Solve for x
    x = 3,988,519.60/2,359.29
  6. Step 6: Final answer
    x = 1,690.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.